Fluoroalkylated fullerene compounds
AssigneeE. I. Du Pont de Nemours and Company
InventorPaul J. Fagan
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Abstract
This invention provides a mixture of fluoroalkylated fullerene compounds, preferably perfluoroalkylated fullerene compounds, comprising the formula, (C.sub.60+2n) R.sup.1.sub.m R.sup.2.sub.b Z.sub.y, wherein R.sup.1 is a branched or straight chain hydrocarbon or aromatic hydrocarbon of from 1 to about 100 carbon atoms; R.sup.2 is a branched or straight chain fluoroalkyl group of from 1 to about 100 carbon atoms; Z is one or more selected from H, F and Cl; n is an integer from 0 to about 470; m is an integer from 0 to about 24+n; b is an integer from 1 to about 24+n; and y is an integer from 0 to about 35+n.
Claims6
A process for the preparation of a mixture of fluoroalkylated fullerene compounds comprising:
- heating fullerene compounds of formula II
- (C.sub.60+2n)R.sup.1.sub.m Z.sub.y (II)
- wherein
- n is an integer from 0 to about 470;
- R.sup.1 is a branched or straight chain hydrocarbon or aromatic hydrocarbon of from 1 to about 100 carbon atoms;
- m is an integer of 0 to about 24+n,
- Z is independently one or more selected from H, F and Cl;
- y is an integer from 0 to about 35+n;
- with compounds of formula III
- R.sup.2 X.sub.q (III)
- wherein
- R.sup.2 is a branched or straight chain fluoroalkyl group of from 1 to about 100 carbon atoms;
- X is independently Cl, Br or I;
- and
- q is an integer of 1 or 2,
- at a temperature of from about 160.degree. to 300.degree. C., under a pressure of 0 to about 4.1.times.10.sup.5 Pascals (0 to about 60 psi) of an inert gas atmosphere, for about 1 hour to about 96 hours;
- to yield a mixture of fluoroalkylated fullerene compounds comprising formula I
- (C.sub.60+2n)R.sup.1.sub.m R.sup.2.sub.b Z.sub.y (I)
- wherein b is an integer from 1 to about 24+n.
Dependencies are inferred from the claim text.